Through Definition

thro͝o

preposition

In one side and out the other side of; from end to end of.

Webster's New World

In the midst of.

Flying through the clouds.

Webster's New World

Among.

Hiking through the trees.

Webster's New World

By way of.

A train that goes through Boston.

Webster's New World

Over the entire extent or surface of.

Webster's New World

Antonyms:

Antonyms:
around

adverb

In one side and out the other; from end to end.

Webster's New World

From the beginning to the end.

Webster's New World

Completely to the end; to a conclusion.

To see something through.

Webster's New World

In every part or way; thoroughly; completely.

Soaked through.

Webster's New World

Over the total distance; all the way.

Drove through to their final destination.

American Heritage

Synonyms:

adjective

Allowing continuous passage; unobstructed.

A through street.

American Heritage

Traveling to the destination without stops.

A through train.

Webster's New World

Extending from one place to another; allowing free passage.

A through street.

Webster's New World

Continuing on without making a stop.

Through traffic.

Webster's New World

Not necessitating changes; good for traveling without intermediate transfer.

A through ticket.

Webster's New World

Synonyms:

Antonyms:

noun

A large slab of stone laid on a tomb.

Wiktionary

Other Word Forms of Through

Noun

Singular:

through

Plural:

throughs

Idioms, Phrasal Verbs Related to Through

through and through

Origin of Through

From Middle English *thrugh, thruch, thruh, metathetic variants of Middle English thurgh, thurh, from Old English þorh, þurh, þerh, þærh (“through, for, during, by, by means of, by use of, because of, in consequence of"), from Proto-Germanic *þerh (“through"), *þurh, from Proto-Indo-European *ter- (“through, throughout, over"). Cognate with Scots throch (“through"), West Frisian troch (“through"), Dutch door (“through"), German durch (“through"), Gothic [script?] (þaírh, “through"), Latin trans (“across, over, through"), Albanian tÃ«rthor (“through, around"), Welsh tra (“through"). See also thorough.

From Wiktionary
Middle English thurh, through from Old English thurh terə-² in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Old English þrÅ«h

From Wiktionary